Display device for spectacles



FIG. 1 is a top plan view of a display device for spectacles, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view taken from the left of FIG. 1, the side opposite being a mirror image thereof;

FIG. 4 is a rear elevational view thereof, and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a display device for spectacles, substantially as shown and described. 